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3 years ago

How do we find what percent of 45 is 72

1 answer:

maks197457 [2]3 years ago

3 0

What is 45% of 72

72/x=100/45
(72/x)*x=(100/45)*x - we multiply both sides of the equation by x
72=2.22222222222*x - we divide both sides of the equation by (2.22222222222) to get x
72/2.22222222222=x 
32.4=x 
x=32.4

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5. Two vertices of a rectangle are (8,-5) and (8,7). If the area of the rectangle is 72 square units, name the possible location

Phantasy [73]

Answer:

Given vertices:

(8, -5) and (8, 7)

These have same x-coordinate, so when connected form a vertical segment.

The length of the segment is:

7 - (-5) = 12 units

The area of the rectangle is 72 square units, so the horizontal segment has the length of:

72/12 = 6 units

Possible location of the remaining vertices (to the left from the given):

(8 - 6, -5) = (2, -5)

and

(8 - 6, 7) = (2, 7)

Similarly to previous exercise:

(5, -8) and (5, 4) given with the area of 48 square units

The distance between the given vertices:

4 - (-8) = 12 units

The other side length is:

48/12 = 4 units

Possible location of the other vertices (to the right from the given):

(5 + 4, -8) = (9, -8)

and

(5 + 4, 4) = (9, 4)

4 0

2 years ago

Brainliest if correct

natali 33 [55]

$\left(15^{1/5} \right)^5 = 15^{(5/5)} = 15^1 = 15$

6 0

2 years ago

Evaluate -(2^6)(2^3)

valina [46]

Answer:

- (2^9)

Step-by-step explanation:

-(2^6)(2^3)

We know a^b * a^c = a^( b+c)

- ( 2 ^ (6+3))

- (2^9)

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3 years ago

PLSSSSS HELP ME I WILL GIVE BRAINLIEST!!!!!!

Leto [7]

Top right is ur answer please give brainliest

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3 years ago

The regular price of an item is $65. The item is on sale with a discount of $8.What is the discount rate

amid [387]

The discount rate is the discount amount ($8) divided by the regular price, as a percentage.65/8=8.125 rounded to 8 so 8%.

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2 years ago